描述
3500监测系统
3500系统是-个应用 的微处理器技术设计的,功能 的监测系统,除了满足上述需要之外,3500 系统增加了以下方面的优点:
-增强了操作人员信息
-增加了与工厂控制计算机的集成度
-减少了安装和维修费用
-提高了可靠性
-增强的操作人员信息
3500系统的设计即增强了操作人员信息,又使得信息显示方式容易理解,这些特性包括:
-增强的数据集
-通频振幅
-探头间隙电压
-1X振幅和相位
-2X振幅和相位
-非1X分量振幅
-基于Windows的操作人员显示软件
-多点显示数据
3500系统可以提供以下三种独立的接口:
-数据管理接口<外部瞬态或动态数据接口>
-组态/數据端口
-通讯门路(支持可编程逻辑控制器,过程控制计算机,分布成控制系统,及基于PC机的控制系统)
框架接口模块
框架接口模块是一-个全高模块,可以与主机(一种本特利.内华达通讯处理器)以及框架中其它模块通讯。它们维持着系统事件列表和报警事件列表。该模块能够以菊花链形式与其它框架的接口模块和数据采集/DDE服务器软件联接.3500监测系统计算机软,硬件手册中说明了把框架接口模块以菊花链形式连接起来。
通讯门路模块
该模块是一个全高模块,使外设(如DCS或PLC)从框架获取信息和设置框架配置部分。
同一框架中可安装-一个以 上的通讯通路模块,每个模块可同时支持两个通道,通讯门路模块可与其它通讯通路模块菊花链连接后连接到DCS或PLC.
, 监测器模块是收集各种传感器数据的全高模块。3500 框架中可安装任意组合的监测器模块。
–4通道继电器模块
该模块是-个用于标准(或非冗余)监测系统的全高模块。它的功能是提供四路继电器输
–TMR继电器模块
该模块是用于三重模块冗余(TMR)系统的半高模块,两个半高的TMR继电器模块的须在同一槽中工作,如果上面或下面的继电器模块被拆除或标记为非OK状态,另一个继电器模块控制继电器输入/输出模块(只有一种实际的继电器组合)键相器模块
该模块是一个半高模块,用于为健相器传感器供电,调节键相信号,为框架中其它模块输送键相信号,该模块同时计算转速值后送往主机和外设(DCS或PLC);并提供缓冲键相信号输出,每个键相器模块支持2个通道,每个3500框架可安装2个键相器模块(至多有4个通道)如果使用两个键相器模块,它们必须放于同一个全高的槽内。
3500系统现已满足可靠性要求,可以使用过程失效分析的结果更好地决定所需的3500的配
置,各种选项包括:
1.标准系统
2.带冗余电源的标准系统
3.带单一传感器输入(TMRI/O: 母线制)和单一末级元件的TMR3500框架。
4.带单一传感器输入(TMRI/O: 母线制)和TMR末级元件的TMR3500框架。
5.带三重传感器输入(TMRI/O: 分立)和单一末级元件的TMR3500框架。
6.带三重传感器输入(TMR1/O: 分立)和TMR末级元件的TMR3500框架。
为作为TMR系统运行,3500 监测系统必须安装以下模块:
-一个TMR型式的框架接口模块
-两个电源(如果其中- -个发现有故障,另一个电源可无间断自动供应全部电力)。
-同一槽内两个键相器模块(如果键相器信号需要)。
-同一槽内两个TMR继电器模块(如果需要)
-相邻槽内的三个同类型监测器模块。
-相邻槽内2~3个通讯通路模块(如果与外设通讯时需要)。
更多相关的优势库存型号:
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